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post #1 of 3 Old 11-03-2010, 02:39 PM Thread Starter
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2008 JK Wrangler 
Join Date: Mar 2005
Location: Orlando
Posts: 207
Start issues with 08

My girlfriend has a 2008 Liberty and has been having problems when starting the engine. At first it was only every few days but now its starting to be more regular.

We took it to the dealer back when the problem first started but they "said" they could not reproduce the problem. They did some computer updates and for while there were not problems.

But now its back.

She goes to start the Libby in the morning and it will startup, the RPMS rise then as its about settle on idle it quits. After about 3 or 4 times of trying eventually it will not even start at all...doesnt even try. Wait 5-10min then boom engine starts fine and is good to go until next morning

Curious if any other Libby owners ever experienced this?. Might try taking it to another dealer...not sure .

2008 Silver JK 2DR X, 4sp auto, 3.73 gears
Rubicon Express 2" Coil Spacer w/Shocks
285/70/17 BFG AT
Rear Trac-Lock
Sunrider softtop.
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post #2 of 3 Old 11-03-2010, 10:08 PM
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2008 KK Liberty 
Join Date: Jun 2008
Location: Arizona
Posts: 1,110
One possibility is the IAC is sticking,thats what controls the idle.
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post #3 of 3 Old 11-04-2010, 09:19 AM
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2008 KK Liberty 
Join Date: Jan 2010
Location: Florida
Posts: 1,442
Originally Posted by RafaelSmith View Post
My girlfriend has a 2008 Liberty and has been having problems when starting the engine. At first it was only every few .
Similar problems. I had hard starting in the morning with erratic idling.My mitsubishi diamante did the same thing. Took it to a mechanic friend. said the throttle body was dirty. Cleaned it. Ran beautifully.

I cleaned the throttle body (butterfly) on mine with Valvoline throttlebody.
The second pic is a throttlebody from a 2002 libby.

The first pic is a what needs to be cleaned.
Attached Thumbnails
IAC7.jpg   0701_4wd_05_z+2002_jeep_liberty+removed_stock_intake.jpg   7670004_vlv_602333_pri_larg.jpg  

2008 Sport Liberty
Cold air intake*Trush (magnaflow) turbo muffler* Hypertech power program*
Hood Prop mod. Battery Quick Release mod.
Resonator removed (sounds like a V8 on start up)
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